The video tutorial explains the process of multiplying decimals, highlighting the importance of determining the correct placement of the decimal point in the product. It provides two examples: multiplying 42 and 37, and 16 and 723, demonstrating how to handle decimal places and why the product must contain a specific number of decimal places. The tutorial emphasizes understanding decimal place value and the commutative property of multiplication.

What is the key difference between multiplying decimals and whole numbers?

• Whole numbers need a decimal point.

• Decimals are multiplied by adding them.

• Decimals are always larger than whole numbers.

• Decimals require counting decimal places for the product.

Tags

CCSS.5.NBT.B.7

How do you determine the number of decimal places in the product of two decimals?

• By adding the decimal places of the factors.

• By subtracting the decimal places of the factors.

• By multiplying the decimal places of the factors.

• By ignoring the decimal places of the factors.

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CCSS.7.NS.A.2A

In the example of multiplying 42 and 37, what is the first step after ignoring the decimal places?

• Divide the numbers.

• Multiply the numbers as whole numbers.

• Add the numbers directly.

• Subtract the numbers.

Tags

CCSS.5.NBT.B.7

When multiplying decimals, what should you do after calculating the product as whole numbers?

• Add the decimal places to the product.

• Ignore the decimal places.

• Subtract the decimal places from the product.

• Place the decimal point in the correct position.

Tags

CCSS.5.NBT.B.7

What is the result of multiplying 42 and 37 as whole numbers before adjusting for decimal places?

• 1554

• 1548

• 1564

• 1574

Tags

CCSS.5.NBT.A.2

Why must the product of 4.2 and 3.7 contain hundredths?

• Because the product is always a tenth.

• Because the product is always a whole number.

• Because tenths times tenths equals hundredths.

• Because 4.2 and 3.7 are both whole numbers.

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CCSS.3.OA.B.5

What property of multiplication allows you to change the order of factors without changing the product?

• Identity property

• Commutative property

• Associative property

• Distributive property

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CCSS.6.NS.B.3

In the example of multiplying 16 and 723, how many decimal places should the product have?

• Four

• One

• Two

• Three

Tags

CCSS.5.NBT.B.7

How do you adjust the decimal point in the product of a multiplication problem involving decimals?

• Move it to the right by the total number of decimal places.

• Move it to the left by the total number of decimal places.

• Place it at the end of the number.

• Place it at the beginning of the number.

Tags

CCSS.6.NS.B.3

What is the final product of multiplying 16 and 723 with the correct decimal placement?

• 1156.8

• 1.1568

• 11.568

• 115.68

Tags

CCSS.6.NS.B.3